Alexa Home Automation MCP Server

import { Hono } from "hono"; import type { Env } from "@/types/env"; import { buildAlexaHeaders } from "@/utils/alexa"; export const announceApp = new Hono<{ Bindings: Env }>(); const ANNOUNCE_API = "https://alexa.amazon.com/api/v2/communications/announcements"; /** * Sends a voice announcement to specific or all Alexa devices. */ announceApp.post("/", async (context) => { const { name, message } = await context.req.json(); if (!message) { return context.json({ error: "Message is required" }, 400); } try { const response = await fetch(ANNOUNCE_API, { method: "POST", headers: buildAlexaHeaders(context.env, { "Content-Type": "application/json" }), body: JSON.stringify({ behaviorId: "PRE_BUILT:ANNOUNCE", sequenceJson: JSON.stringify({ "@type": "com.amazon.alexa.behaviors.model.Sequence", "startNode": { "@type": "com.amazon.alexa.behaviors.model.OpaqueLayoutNode", "type": "announce", "parameters": { "displayTitle": "Announcement", "displayText": message, "ssml": `<speak>${message}</speak>`, }, "targetDevice": name ? { "dsn": name } : undefined, }, }), }), }); if (!response.ok) { const errorText = await response.text(); return context.json({ error: "Alexa API Error", details: errorText }, 500); } const result = (await response.json()) as any; return context.json({ success: true, status: result.status, deliveredAt: new Date().toISOString(), }); } catch (error) { return context.json({ error: "Internal Server Error", details: (error as Error).message }, 500); } });